TextureMapperImageBuffer.h [plain text]
#ifndef TextureMapperImageBuffer_h
#define TextureMapperImageBuffer_h
#include "ImageBuffer.h"
#include "TextureMapper.h"
#if USE(TEXTURE_MAPPER)
namespace WebCore {
class BitmapTextureImageBuffer : public BitmapTexture {
friend class TextureMapperImageBuffer;
public:
static PassRefPtr<BitmapTexture> create() { return adoptRef(new BitmapTextureImageBuffer); }
virtual IntSize size() const { return m_image->internalSize(); }
virtual void didReset();
virtual bool isValid() const { return m_image; }
inline GraphicsContext* graphicsContext() { return m_image ? m_image->context() : 0; }
virtual void updateContents(Image*, const IntRect&, const IntPoint&);
virtual void updateContents(const void*, const IntRect& target, const IntPoint& sourceOffset, int bytesPerLine);
#if ENABLE(CSS_FILTERS)
PassRefPtr<BitmapTexture> applyFilters(const BitmapTexture&, const FilterOperations&);
#endif
private:
BitmapTextureImageBuffer() { }
OwnPtr<ImageBuffer> m_image;
};
class TextureMapperImageBuffer : public TextureMapper {
public:
virtual void drawTexture(const BitmapTexture&, const FloatRect& targetRect, const TransformationMatrix&, float opacity, const BitmapTexture* maskTexture);
virtual void beginClip(const TransformationMatrix&, const FloatRect&);
virtual void bindSurface(BitmapTexture* surface) { m_currentSurface = surface;}
virtual void endClip() { graphicsContext()->restore(); }
static PassOwnPtr<TextureMapper> create() { return adoptPtr(new TextureMapperImageBuffer); }
PassRefPtr<BitmapTexture> createTexture() { return BitmapTextureImageBuffer::create(); }
inline GraphicsContext* currentContext()
{
return m_currentSurface ? static_cast<BitmapTextureImageBuffer*>(m_currentSurface.get())->graphicsContext() : graphicsContext();
}
virtual AccelerationMode accelerationMode() const { return SoftwareMode; }
private:
RefPtr<BitmapTexture> m_currentSurface;
};
}
#endif // USE(TEXTURE_MAPPER)
#endif // TextureMapperImageBuffer_h